First find the radius and then the area will be pi*radius2
circumference = 2*pi*radius = 100 units
radius = 100 divided by 2*pi = 15.91549431 units
area = pi*15.915494312 = 795.7747155 square units
So the area of the circle is 796 square units correct to three significant figures.
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The area of circle whose circumference is 100 inches is: 795.8 square inches.
The circumference of a circle is the distance arround the edge of the circle. The area of a circle is how big the inside of the circle is.
The area of a circle that has a circumference of 16pi is: 201.1 units2
The area of a circle, if its circumference is 20π, is: 314.16 square units.
If the area of a circle is 28.26 the circumference is: 18.84 units.